Xanthenone
[化] ┷吨酮
🗣️ 情景例句
How many classes are you taking this semester?
这学期你有多少课？
Can I fix an overseas call to London by person-to-person call?
我要打到伦敦的叫人电话好吗？
I limited myself to two modest ambitions: to do physical exercise every morning and to read more of an evening.
我深知这些问题，于是，今年我对自己的计划要严加保密，只给自己定下两项适中的任务；每天早上锻炼身体，每天晚上多看点书。